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题目选项分析

In Australia, in years with below-average rainfall, less water goes into rivers and more water is extracted from rivers for drinking and irrigation. Consequently, in such years, water levels drop considerably and the rivers flow more slowly. Because algae grow better the more slowly the water in which they are growing moves, such years are generally beneficial to populations of algae. But, by contrast, populations of algae drop in periods of extreme drought.

Which of the following, if true, does most to explain the contrast?

【选项】The larger the population of algae in a body of water, the less sunlight reaches below the surface of the water.

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题目基本信息

  • 所属科目:逻辑CR
  • 题目来源1:OG19-语文分册-136
  • 题目来源2:OG20-语文分册-147
正确率:91%